[Idr] Pre-WG LC Shepherd's review for draft-ietf-idr-bgp-ls-sr-policy-nrp-02
Susan Hares <shares@ndzh.com> Fri, 12 December 2025 17:36 UTC
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From: Susan Hares <shares@ndzh.com>
To: idr <idr@ietf.org>
Thread-Topic: Pre-WG LC Shepherd's review for draft-ietf-idr-bgp-ls-sr-policy-nrp-02
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Date: Fri, 12 Dec 2025 17:36:20 +0000
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Subject: [Idr] Pre-WG LC Shepherd's review for draft-ietf-idr-bgp-ls-sr-policy-nrp-02
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draft-ietf-idr-bgp-ls-sr-policy-nrp-02 date: 12/12/2025 Reviewer: Susan Hares Status: Needs -03 draft before publication request. Shepherd's Detailed review: Minor: 1) BGP-LS normally queries for control Section 1, paragraph 4, - needs to indicate control plane Old Text: / [I-D.ietf-idr-sr-policy-nrp] defines the extensions to BGP SR policy to specify the NRP which the SR Policy candidate path is associated with./ new text:/ [I-D.ietf-idr-sr-policy-nrp] defines the extensions to BGP SR policy to specify the control Plane NRP ID which the SR Policy candidate path is associated with./ Section 1, paragraph 6 / The SR policy indicates the forwarding path of the data packet, and the NRP ID indicates the reserved resources along the path specified by the SR policy. By associating the SR policy with a specific NRP, the forwarding path and resource reservation along the path are ensured. BGP-LS reports the association between SR Policy Candidate Path (CP) and NRP-ID, which is used to synchronize the association information between the SR Policy CP and the NRP-ID./ Section 1, paragraph 6 / The SR policy indicates the forwarding path of the data packet, and the NRP ID indicates the reserved resources along the path specified by the SR policy in the control plane. By associating the SR policy with a specific NRP, the forwarding path and resource reservation along the path are ensured. BGP-LS reports the association between SR Policy Candidate Path (CP) and NRP-ID, which is used to synchronize the association information between the SR Policy CP and the NRP-ID./ 2. Section 2 - Clear indication of control plane versus data plane Old text:/ NRP ID: 4-octet domain significant identifier of Network Resource Partition. Value 0 and 0xFFFFFFFF are reserved. NRP ID is planned by network operator./ In my understanding, the control-plane NRP ID is passed via BGP. Does this mean the NRP ID is assigned by the operator of the network and assigned by configuration? Please clarify. 3. Section 3 - scaling editorial (optional) Scaling of NRP expands for possible control plane NRP ID, but the data plane can have fewer NRP IDs. I am wondering if this understanding would help this section.